7/18/2019 Lesson 2.1 - Program Logic

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Program Logic Flow

Notations- The use of ordinary Englishis often to verbose r specifyingoperations or naming data withinowcharting operations. Notationsare used since they summarizedwithin owcharting symbols greater

amounts of information than ordinaryEnglish, thus improving theowcharts communication value.

7/18/2019 Lesson 2.1 - Program Logic

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Notation Symbols

MathematicalNOTATION

MEANING LogicalNOTATION

MEANING

!

-"#$ %""&

'ddition

(ubtraction)ultiplication*ivision+roupingEponentationomparison

/0101 2

N

E3ual to

Not E3ual to+reater Than4ess Than+reater Than orE3ual4ess Than or E3ual

 2esNo

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Sample Logic Problem

*raw a owchart that will display5'ccess +ranted6 if the passwordentered is e3ual to 5omputer6 elsewill display 5'ccess *enied6.

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Sample Logic Problem

*raw a owchart that will display thehigher number between two enteredintegers.

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Sample Logic Problem

*raw a owchart that will display thehigher number between two enteredintegers.

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Sample Logic Problem

 This owchart will assist teachers in calculatingstudent grades at the end of the semester. 7taccepts numerical grade input, then it willdisplay the descriptive grade as output. 8sedthe following range&

  9ange *escriptive :utput

  ;<-=<< 'dvanced

  ><->; ?rocient

  @<-@; 'pproaching ?rociency  A<-A; *eveloping

  B<-B; Ceginner

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